-#include "rsh.h"
-
#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
+#include "rsh.h"
+#include "quote.h"
#include "cache.h"
#define COMMAND_SIZE 4096
-/*
- * Write a shell-quoted version of a string into a buffer, and
- * return bytes that ought to be output excluding final null.
- */
-static int shell_quote(char *buf, int nmax, const char *str)
-{
- char ch;
- int nq;
- int oc = 0;
-
- while ( (ch = *str++) ) {
- nq = 0;
- if ( strchr(" !\"#$%&\'()*;<=>?[\\]^`{|}", ch) )
- nq = 1;
-
- if ( nq ) {
- if ( nmax > 1 ) {
- *buf++ = '\\';
- nmax--;
- }
- oc++;
- }
-
- if ( nmax > 1 ) {
- *buf++ = ch;
- nmax--;
- }
- oc++;
- }
-
- if ( nmax )
- *buf = '\0';
-
- return oc;
-}
-
-/*
- * Append a string to a string buffer, with or without quoting. Return true
- * if the buffer overflowed.
- */
-static int add_to_string(char **ptrp, int *sizep, const char *str, int quote)
-{
- char *p = *ptrp;
- int size = *sizep;
- int oc;
-
- if ( quote ) {
- oc = shell_quote(p, size, str);
- } else {
- oc = strlen(str);
- memcpy(p, str, (oc >= size) ? size-1 : oc);
- }
-
- if ( oc >= size ) {
- p[size-1] = '\0';
- *ptrp += size-1;
- *sizep = 1;
- return 1; /* Overflow, string unusable */
- }
-
- *ptrp += oc;
- *sizep -= oc;
- return 0;
-}
-
-int setup_connection(int *fd_in, int *fd_out, const char *remote_prog,
+int setup_connection(int *fd_in, int *fd_out, const char *remote_prog,
char *url, int rmt_argc, char **rmt_argv)
{
char *host;
int sizen;
int of;
int i;
+ pid_t pid;
if (!strcmp(url, "-")) {
*fd_in = 0;
if (!path) {
return error("Bad URL: %s", url);
}
- /* $GIT_RSH <host> "env GIR_DIR=<path> <remote_prog> <args...>" */
+ /* $GIT_RSH <host> "env GIT_DIR=<path> <remote_prog> <args...>" */
sizen = COMMAND_SIZE;
posn = command;
of = 0;
of |= add_to_string(&posn, &sizen, "env ", 0);
- of |= add_to_string(&posn, &sizen, GIT_DIR_ENVIRONMENT, 0);
- of |= add_to_string(&posn, &sizen, "=", 0);
+ of |= add_to_string(&posn, &sizen, GIT_DIR_ENVIRONMENT "=", 0);
of |= add_to_string(&posn, &sizen, path, 1);
of |= add_to_string(&posn, &sizen, " ", 0);
of |= add_to_string(&posn, &sizen, remote_prog, 1);
if (socketpair(AF_UNIX, SOCK_STREAM, 0, sv))
return error("Couldn't create socket");
- if (!fork()) {
+ pid = fork();
+ if (pid < 0)
+ return error("Couldn't fork");
+ if (!pid) {
const char *ssh, *ssh_basename;
ssh = getenv("GIT_SSH");
if (!ssh) ssh = "ssh";